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RECEIVE DIAGNOSTICS RESULTS 1Ch
Commands
133
RECEIVE DIAGNOSTICS RESULTS 1Ch
RECEIVE DIAGNOSTIC RESULTS tells the drive to return data from the last diagnostic test requested
through the SEND DIAGNOSTIC command. If none has been sent, the data refers to the power-on
self-test.
Pre-execution checks:
Command descriptor block:
CDB fields:
Specific status:
If the drive not is connected to a compatible enclosure, a RECEIVE DIAGNOSTIC command with a
Enclosure Services page number (01 to 0F) will return a
CHECK CONDITION with Sense key of NOT
READY
and additional sense of 3502h, “enclosure services unavailable”.
If other invalid pages are requested,
CHECK CONDITION will result with status of ILLEGAL REQUEST
and additional sense of 2601h, “parameter not supported”.
Illegal Field Reservation Deferred Error Unit Attention
7 6 5 4 3 2 1 0
0 Operation Code (1Ch)
1 Reserved(0) PCV
2 Page Code
3 (MSB)
Allocation Length
4 (LSB)
5 Control
PCV The page code valid flag is ignored.
Page Code 0 Identifier for the diagnostic information page to be returned.
Allocation
Length
0 No data will be returned. This is not considered an error. The drive will return
allocation length bytes or the amount of data that is available, whichever is least.
>0 The number of bytes which the host has allocated for returned diagnostic data.